Preprint Article Version 1 This version is not peer-reviewed

Feasibility study of an Online 24-hr Dietary Assessment Tool: myfood24, in a clinical population

Version 1 : Received: 15 July 2018 / Approved: 16 July 2018 / Online: 16 July 2018 (12:12:42 CEST)

A peer-reviewed article of this Preprint also exists.

Gianfrancesco, C.; Darwin, Z.; McGowan, L.; Smith, D.M.; Haddrill, R.; Carter, M.; Scott, E.M.; Alwan, N.A.; Morris, M.A.; Albar, S.A.; Cade, J.E. Exploring the Feasibility of Use of An Online Dietary Assessment Tool (myfood24) in Women with Gestational Diabetes. Nutrients 2018, 10, 1147. Gianfrancesco, C.; Darwin, Z.; McGowan, L.; Smith, D.M.; Haddrill, R.; Carter, M.; Scott, E.M.; Alwan, N.A.; Morris, M.A.; Albar, S.A.; Cade, J.E. Exploring the Feasibility of Use of An Online Dietary Assessment Tool (myfood24) in Women with Gestational Diabetes. Nutrients 2018, 10, 1147.

Journal reference: Nutrients 2018, 10, 1147
DOI: 10.3390/nu10091147

Abstract

myfood24 is a comprehensive self-completed online 24-hour dietary recall tool currently used for nutritional assessments in epidemiological research. However, its clinical application has been unexplored. This mixed methods prospective observational study explores the acceptability and usability of myfood24 in a clinical population, women with gestational diabetes (GDM). Women were recruited at their first diabetes antenatal clinic appointment. To assess acceptability and usability, they were asked to complete five 24-hour dietary recalls using myfood24 over two weeks and a user experience questionnaire; with a subset invited to participate in a one-to-one semi-structured interview. Of the 199 participants, mean maternal age was 33 years, mean booking BMI 29.7kg/m2, 36% primiparous, 57% White, 33% Asian. Of these 121 (61%) completed myfood24 at least once and 73 (37%) completed the user questionnaire; 15 were interviewed. Usability of myfood24 was measured using the System Usability Scale (SUS) and found to be good (mean 70.9, 95%CI 67.1, 74.6). Interviews identified several areas for improvement, including optimising its use for mobile devices. myfood24 appears to be acceptable and have potential to support self-management and behaviour change for women with GDM but requires adaptation to record blood glucose results alongside real-time tracking of diet.

Subject Areas

24-hour recall; nutrition assessment; technology assisted dietary assessment; gestational diabetes

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